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For the Inventor, By the Inventor

Susono, Japan

Takashi Shigematu

This inventor holds 11 USPTO granted patents. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Nippon Soken, Inc., Nippondenso Co., Ltd.. Active years: 1979-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Shigematu. Retrieved from https://idiyas.com/inventor/takashi-shigematu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 141(Granted Patents)


Location History:

  • Shizuoka, JP (1981)
  • Susono, JP (1979 - 1988)

Company Filing History:

goldMedal9 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
silverMedal6 out of 1,600 
 
Nippon Soken, Inc.
 patents
bronzeMedal3 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
4. 2 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1979-1988

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11 patents (USPTO):Explore Patents
1. 4716790 - Continuously variable transmission control system responsive to (1988-01-05),
2. 4593582 - Continuously variable transmission means for use in vehicles (1986-06-10),
3. 4385606 - Ignition timing regulating device for internal combustion engine (1983-05-31),
4. 4290398 - Ignition timing control system for internal combustion engine (1981-09-22),
5. 4257364 - Method and system for controlling ignition timing (1981-03-24),
6. 4245591 - Ignition timing control system for internal combustion engines (1981-01-20),
7. 4236491 - Ignition timing control apparatus for internal combustion engines (1980-12-02),
8. 4232642 - Ignition timing control system for internal combustion engines (1980-11-11),
9. 4225802 - Piezoelectric knocking detector for internal combustion engine (1980-09-30),
10. 4211194 - Ignition system for internal combustion engines (1980-07-08),
11. 4168691 - Ignition system for internal combustion engine (1979-09-25),

Title: Takashi Shigematu - Innovative Inventor from Susono, Japan

Introduction: Takashi Shigematu is a renowned inventor hailing from Susono, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takashi Shigematu holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Takashi Shigematu has worked with leading tech companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Takashi Shigematu has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge exchange.

Conclusion: Takashi Shigematu's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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